JPS61248226A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS61248226A
JPS61248226A JP1598986A JP1598986A JPS61248226A JP S61248226 A JPS61248226 A JP S61248226A JP 1598986 A JP1598986 A JP 1598986A JP 1598986 A JP1598986 A JP 1598986A JP S61248226 A JPS61248226 A JP S61248226A
Authority
JP
Japan
Prior art keywords
particles
magnetic
iron
substrate
iron oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1598986A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0319606B2 (fr
Inventor
ウパリ・バンダラ
アンドリユー・エム・ホモラ
ヴエルナー・スタイネル
ゲルハルト・トルツペル
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS61248226A publication Critical patent/JPS61248226A/ja
Publication of JPH0319606B2 publication Critical patent/JPH0319606B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
    • G11B5/70615—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Fe metal or alloys
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/712—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the surface treatment or coating of magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP1598986A 1985-04-26 1986-01-29 磁気記録媒体 Granted JPS61248226A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP85105158.1 1985-04-26
EP85105158A EP0203205B1 (fr) 1985-04-26 1985-04-26 Milieu d'enregistrement magnétique et procédé pour sa fabrication

Publications (2)

Publication Number Publication Date
JPS61248226A true JPS61248226A (ja) 1986-11-05
JPH0319606B2 JPH0319606B2 (fr) 1991-03-15

Family

ID=8193468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1598986A Granted JPS61248226A (ja) 1985-04-26 1986-01-29 磁気記録媒体

Country Status (4)

Country Link
EP (1) EP0203205B1 (fr)
JP (1) JPS61248226A (fr)
CA (1) CA1251860A (fr)
DE (1) DE3575035D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140486A (en) * 1989-11-16 1992-08-18 Tdk Corporation Magnetic recording and reproduction
US5160761A (en) * 1989-12-29 1992-11-03 Tdk Corporation Method for making a magnetic disk
US5182693A (en) * 1989-12-29 1993-01-26 Tdk Corporation Magnetic disk

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0238069B1 (fr) * 1986-03-20 1993-02-10 Hitachi Maxell Ltd. Milieu d'enregistrement magnétique
JPH01164006A (ja) * 1987-09-02 1989-06-28 Kao Corp 強磁性金属粉末及びその製造方法
WO2000044507A1 (fr) * 1999-01-28 2000-08-03 The Board Of Regents For Oklahoma State University Films minces de nanoparticules a noyau et a couche
AU2001252982A1 (en) 2000-03-28 2001-10-08 The Board Of Regents For Oklahoma State University Assembly of free-standing films using a layer-by-layer process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1295732B (de) * 1962-08-24 1969-05-22 Gevaert Photo Prod Nv Vorrichtung zur Herstellung eines bandfoermigen Magnetogrammtraegers
US4318757A (en) * 1979-05-11 1982-03-09 Tdk Electronics Co., Ltd. Process for producing ferro-magnetic metal particles
US4280918A (en) * 1980-03-10 1981-07-28 International Business Machines Corporation Magnetic particle dispersions
US4333961A (en) * 1981-04-30 1982-06-08 International Business Machines Corporation Preparation of thin, aligned magnetic coatings
EP0099259A1 (fr) * 1982-07-09 1984-01-25 Konica Corporation Procédé pour le traîtement superficiel de particules ferromagnétiques
US4438156A (en) * 1982-09-30 1984-03-20 International Business Machines Corporation Mono-particle magnetic dispersion in organic polymers for magnetic recording

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140486A (en) * 1989-11-16 1992-08-18 Tdk Corporation Magnetic recording and reproduction
US5160761A (en) * 1989-12-29 1992-11-03 Tdk Corporation Method for making a magnetic disk
US5182693A (en) * 1989-12-29 1993-01-26 Tdk Corporation Magnetic disk

Also Published As

Publication number Publication date
EP0203205A1 (fr) 1986-12-03
CA1251860A (fr) 1989-03-28
EP0203205B1 (fr) 1989-12-27
JPH0319606B2 (fr) 1991-03-15
DE3575035D1 (de) 1990-02-01

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